From: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
To: <linux-i2c@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Cc: <kamel.bouhara@bootlin.com>, <wsa@the-dreams.de>,
<Nicolas.Ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
<Ludovic.Desroches@microchip.com>, <robh@kernel.org>,
<peda@axentia.se>, <linux@armlinux.org.uk>,
Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Subject: [PATCH v3 5/6] ARM: at91/dt: sama5d4: add i2c gpio pinctrl
Date: Wed, 15 Jan 2020 13:54:21 +0200 [thread overview]
Message-ID: <20200115115422.17097-6-codrin.ciubotariu@microchip.com> (raw)
In-Reply-To: <20200115115422.17097-1-codrin.ciubotariu@microchip.com>
From: Kamel Bouhara <kamel.bouhara@bootlin.com>
Add the i2c gpio pinctrls so the i2c bus recovery option can be enabled
Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
[codrin.ciubotariu@microchip.com: removed gpio pull-ups]
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
---
Changes in v3:
- removed gpio pull-ups;
Changes in v2:
- none;
arch/arm/boot/dts/sama5d4.dtsi | 33 ++++++++++++++++++++++++++++++---
1 file changed, 30 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi
index 6ab27a7b388d..26ce868096c2 100644
--- a/arch/arm/boot/dts/sama5d4.dtsi
+++ b/arch/arm/boot/dts/sama5d4.dtsi
@@ -458,8 +458,11 @@
(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
| AT91_XDMAC_DT_PERID(3))>;
dma-names = "tx", "rx";
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c0>;
+ pinctrl-1 = <&pinctrl_i2c0_gpio>;
+ sda-gpios = <&pioA 30 GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&pioA 31 GPIO_ACTIVE_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 32>;
@@ -477,8 +480,11 @@
(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
| AT91_XDMAC_DT_PERID(5))>;
dma-names = "tx", "rx";
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c1>;
+ pinctrl-1 = <&pinctrl_i2c1_gpio>;
+ sda-gpios = <&pioE 29 GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&pioE 30 GPIO_ACTIVE_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 33>;
@@ -519,8 +525,11 @@
(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
| AT91_XDMAC_DT_PERID(7))>;
dma-names = "tx", "rx";
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c2>;
+ pinctrl-1 = <&pinctrl_i2c2_gpio>;
+ sda-gpios = <&pioB 29 GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&pioB 30 GPIO_ACTIVE_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 34>;
@@ -1122,6 +1131,12 @@
<AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_NONE
AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_NONE>;
};
+
+ pinctrl_i2c0_gpio: i2c0-gpio {
+ atmel,pins =
+ <AT91_PIOA 30 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+ AT91_PIOA 31 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
};
i2c1 {
@@ -1130,6 +1145,12 @@
<AT91_PIOE 29 AT91_PERIPH_C AT91_PINCTRL_NONE /* TWD1, conflicts with UART0 RX and DIBP */
AT91_PIOE 30 AT91_PERIPH_C AT91_PINCTRL_NONE>; /* TWCK1, conflicts with UART0 TX and DIBN */
};
+
+ pinctrl_i2c1_gpio: i2c1-gpio {
+ atmel,pins =
+ <AT91_PIOE 29 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+ AT91_PIOE 30 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
};
i2c2 {
@@ -1138,6 +1159,12 @@
<AT91_PIOB 29 AT91_PERIPH_A AT91_PINCTRL_NONE /* TWD2, conflicts with RD0 and PWML1 */
AT91_PIOB 30 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* TWCK2, conflicts with RF0 */
};
+
+ pinctrl_i2c2_gpio: i2c2-gpio {
+ atmel,pins =
+ <AT91_PIOB 29 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+ AT91_PIOB 30 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
};
isi {
--
2.20.1
next prev parent reply other threads:[~2020-01-15 11:55 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-15 11:54 [PATCH v3 0/6] i2c bus recovery for Microchip SoCs Codrin Ciubotariu
2020-01-15 11:54 ` [PATCH v3 1/6] dt-bindings: i2c: at91: document optional bus recovery properties Codrin Ciubotariu
2020-01-27 8:49 ` Ludovic Desroches
2020-02-22 11:33 ` Wolfram Sang
2020-01-15 11:54 ` [PATCH v3 2/6] i2c: at91: implement i2c bus recovery Codrin Ciubotariu
2020-01-27 8:50 ` Ludovic Desroches
2020-02-22 11:33 ` Wolfram Sang
2020-01-15 11:54 ` [PATCH v3 3/6] i2c: at91: Send bus clear command if SDA is down Codrin Ciubotariu
2020-01-27 8:54 ` Ludovic Desroches
2020-02-22 11:44 ` Wolfram Sang
2020-01-15 11:54 ` [PATCH v3 4/6] ARM: at91/dt: sama5d3: add i2c gpio pinctrl Codrin Ciubotariu
2020-01-27 8:55 ` Ludovic Desroches
2020-01-15 11:54 ` Codrin Ciubotariu [this message]
2020-01-27 8:56 ` [PATCH v3 5/6] ARM: at91/dt: sama5d4: " Ludovic Desroches
2020-01-15 11:54 ` [PATCH v3 6/6] ARM: at91/dt: sama5d2: " Codrin Ciubotariu
2020-01-27 8:57 ` Ludovic Desroches
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200115115422.17097-6-codrin.ciubotariu@microchip.com \
--to=codrin.ciubotariu@microchip.com \
--cc=Ludovic.Desroches@microchip.com \
--cc=Nicolas.Ferre@microchip.com \
--cc=alexandre.belloni@bootlin.com \
--cc=devicetree@vger.kernel.org \
--cc=kamel.bouhara@bootlin.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=peda@axentia.se \
--cc=robh@kernel.org \
--cc=wsa@the-dreams.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).